Results 21 to 30 of about 6,030 (167)

Metallurgical Effects of Niobium and Molybdenum on Heat-Affected Zone Toughness in Low-Carbon Steel

Applied Sciences, 2019
Modern weldable high strength steel grades are typically based on low-carbon alloy concepts using microalloying for obtaining a good strength-toughness balance.
Hardy Mohrbacher
doaj   +1 more source

Pulsed GMAW-based WAAM–Influence of droplet detachment mode on the geometry and mechanical properties of 308 L stainless steel

Journal of Advanced Joining Processes
This study aimed to introduce pulsed gas metal arc welding (GMAW)-based wire arc additive manufacturing (WAAM) for the deposition of 308 L stainless steel. Then, the influence of the different droplet detachment modes on the geometric characteristics and
R.F. Rezende, A.R. Arias, E.J. Lima, II, F.G.F. Coelho   +3 more
doaj   +1 more source

Numerical Simulation and Experimental Investigation on 2205 Duplex Stainless Steel K-TIG Welded Joint

Metals, 2021
In this paper, 8 mm thickness 2205 duplex stainless steel (DSS) plates were successfully welded using keyhole tungsten inert gas welding (K-TIG) welding, and numerical simulations were performed applying the finite element method.
Shuwan Cui, Shuwen Pang, Dangqing Pang, Qin Zhang, Zhiqing Zhang   +4 more
doaj   +1 more source

Experimental Measurements and Numerical Simulation of Bridge Construction Welding at Low Temperatures

Communications, 2014
This article describes experimental measurements and welding simulation by welding of bridge construction with thickness 30 mm. The welded bridge plate was made from steel S355. Welding was carried out at low ambient temperature.
Radoslav Konar, Marek Patek, Milos Mician   +2 more
doaj   +1 more source

Numerical Simulation and Process Optimization of Laser Welding in 6056 Aluminum Alloy T-Joints

Crystals
This paper conducts a numerical simulation of the laser welding process for 6056 aluminum alloy stringers and skin T-joints using Simufact Welding. Initially, the accuracy of the finite element simulation is validated, followed by an exploration of the ...
Jin Peng, Shihua Xie, Tiejun Chen, Xingxing Wang, Xiaokai Yu, Luqiang Yang, Zenglei Ni, Zicheng Ling, Zhipeng Yuan, Jianjun Shi, Zhibin Yang   +10 more
doaj   +1 more source

A Virtual Design of Experiments Method to Evaluate the Effect of Design and Welding Parameters on Weld Quality in Aerospace Applications

Aerospace, 2019
During multidisciplinary design of welded aircraft components, designs are principally optimized upon component performance, employing well-established modelling and simulation techniques.
Julia Madrid, Samuel Lorin, Rikard Söderberg, Peter Hammersberg, Kristina Wärmefjord, Johan Lööf   +5 more
doaj   +1 more source

Numerical Simulation of the Electron Beam Welding and Post Welding Heat Treatment Coupling Process

High Temperature Materials and Processes, 2018
In this article, the electron beam welding and post welding heat treatment (PWHT) coupling process of nickel alloy GH80A is carried out using ABAQUS software. The thermo-mechanical coupling (TMC) model is considered in the simulation.
Hong Zhang, Zhengxing Men, Jiukai Li, Yongjie Liu, Qingyuan Wang   +4 more
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A Contribution to the Analysis of the Effects of Pulsed Current in GTAW Welding of 1-mm-Thick AISI 304 Sheets

Metals, 2023
GTAW welding with pulsed current has been misinterpreted in some of the classic literature and scientific articles. General conclusions are presented, stating that its use provides greater penetration compared to the use of constant current and that the ...
Jair Carlos Dutra, Kaue Correa Riffel, Regis Henrique Gonçalves e Silva, Antonio Jose Ramirez   +3 more
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Optimization of GMAW Process Parameters in Ultra-High-Strength Steel Based on Prediction

Metals, 2023
Ultra-high-strength steel (UHSS) is a complex and sophisticated material that allows the development of products with reduced weight but increased strength and can assist, for example, in the automotive industry, saving fuel in vehicles and decreasing ...
Alnecino Netto, Francois Miterand Njock Bayock, Paul Kah   +2 more
doaj   +1 more source

A Physically Motivated Heat Source Model for Laser Beam Welding

Metals
In this contribution, we present a physically motivated heat source model for the numerical modeling of laser beam welding processes. Since the calibration of existing heat source models, such as the conic or Goldak model, is difficult, the ...
Philipp Hartwig, Nasim Bakir, Lisa Scheunemann, Andrey Gumenyuk, Jörg Schröder, Michael Rethmeier   +5 more
doaj   +1 more source